OpenTechnical

OT-2026-000047756

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000047756) never changes.

Identity and time

Publication numberOT-2026-000047756 · never reused
Internal UUID01a0ae7f-c420-7bd5-a5bb-702e17b1a221 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047756
StatusPUBLIC

Content hashes

Canonical text13e4201b62ce81b0c80539bcee754bd4fbeb0542c3a40961345c89f50f43d43a
Markdown18efefb3ebceae0b41908119d6050dcdbacc27e7a5ba70bb6db5ff72091dc867
PDF
Publication page7224fdb3416b50233c68daf5710a3a1bfb510a2b03e669fbdff5467bc1740f09
Manifest56adc8f0c67b5e802a377a06d61e6ebe99ec9762a6c7b8530cdc3603b1382ad3

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturejKOOz7k2wRVEnsK1YpcQzFR2AT9yfooziTJufJD9ythX9Wrx/gfIBtBP3ZE+GwMxFOZUJHiZWGYrrPEjs0OBBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:38.571950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047756
observed 7224fdb3416b50233c68daf5710a3a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.551931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047756/manifest.json
observed 56adc8f0c67b5e802a377a06d61e6ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.532157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047756/publication.md
observed 18efefb3ebceae0b41908119d6050dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.510341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047756/publication.txt
observed 13e4201b62ce81b0c80539bcee754bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.